189962040 has 64 divisors (see below), whose sum is σ = 574970400. Its totient is φ = 50204672.

The previous prime is 189962023. The next prime is 189962041. The reversal of 189962040 is 40269981.

189962040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 189962040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189962041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6556 + ... + 20564.

Almost surely, 2^189962040 is an apocalyptic number.

189962040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189962040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287485200).

189962040 is an abundant number, since it is smaller than the sum of its proper divisors (385008360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189962040 is a wasteful number, since it uses less digits than its factorization.

189962040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14136 (or 14132 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 189962040 is about 13782.6717293854. The cubic root of 189962040 is about 574.8514197071.

The spelling of 189962040 in words is "one hundred eighty-nine million, nine hundred sixty-two thousand, forty".